Topic: Geophysical Research Letters

With Arctic sea ice vulnerable, summer melt season begins briskly (+video)

The Arctic saw a record loss of summer sea ice in 2012, and the 2013 melt is off to a faster start than a year ago. Another record is uncertain, but warming has sapped the ice's staying power.

China temperature spikes linked to burning of fossil fuels

Volcanic eruptions might lessen greenhouse effects

On thin ice: As Arctic Ocean warms, a scramble to understand its weather

Melting Arctic snow threatens to leave seals out in the cold

Arctic sea ice falls to record low. Global warming?

Mayan collapse mystery solved? Deforestation exacerbated a drought

Evidence for ancient life on Mars could be just below surface, new study finds (+video)

Plastic pollution underestimated, say scientists

Saturn's frigid moon holds wisps of oxygen, scientists say

Oxygen atmosphere found on distant Saturn moon Dione (+video)

Is Mars sucking water from its own atmosphere?

Sky actually falling, report scientists

Massive volcanic eruptions caused Little Ice Age, froze the Thames

Japan's earthquake actually altered Earth's gravity, scientists find

Mysteriously swelling Yellowstone supervolcano 'not a portent of doom,' finds mostly reassuring study

Winter's freezing, so what's with Arctic sea ice?

Space tourism will drive climate change, study suggests

Gulf oil spill plume stretches 22 miles, not breaking down much

Huge spacequakes shaking Earth's magnetic field

Alaskan glacier detaches itself from seafloor, goes rogue

Earth's upper atmosphere collapses. Nobody knows why.

Huge Amazon storm killed half a billion trees, study finds

Is the moon radioactive? Lunar map shows low amounts of uranium.

Massive blob of scorching magma discovered under southern Africa